Simplify Cube Root of 391

Here we will show you step-by-step how to simplify the cube root of 391. Before we continue, note that the cube root of 391 can be written as follows:

∛391

The ∛ symbol is called the radical sign. To simplify the cube root of 391 means to get the simplest radical form of ∛391.

We start by listing the factors of 391 like so:

1, 17, 23, and 391

Next, we identify the perfect cubes* from the list of factors above:

1

Since 1 is the only perfect cube above, the cube root of 391 cannot be simplified.

Although we cannot simplify the cube root of 391, we did enter the cube root of 391 into our calculator and got the following answer to the cube root of 391 in decimal form:

∛391 ≈ 7.3124

You may also be interested to know that you can write the cube root of 391 with an exponent instead of a radical like this:

∛391 = 391^⅓

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Simplify Cube Root of 392
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* List of Perfect Cubes